Add WebWidgetTestProxy.

content/renderer/render_widget.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 194 matching lines @@
     return content::RenderWidgetMusConnection::GetOrCreate(
         widget->routing_id());
   }
 #endif
   // If we don't have a connection to the Mojo shell, then we want to route IPCs
   // back to the browser process rather than Mus so we use the |widget| as the
   // RenderWidgetInputHandlerDelegate.
   return widget;
 }
 
+content::RenderWidget::CreateRenderWidgetFunction g_create_render_widget =
+    nullptr;
+
 }  // namespace
 
 namespace content {
 
 // RenderWidget ---------------------------------------------------------------
 
 RenderWidget::RenderWidget(CompositorDependencies* compositor_deps,
                            blink::WebPopupType popup_type,
                            const blink::WebScreenInfo& screen_info,
                            bool swapped_out,
@@ skipping 53 matching lines @@
 
 RenderWidget::~RenderWidget() {
   DCHECK(!webwidget_) << "Leaking our WebWidget!";
 
   // If we are swapped out, we have released already.
   if (!is_swapped_out_ && RenderProcess::current())
     RenderProcess::current()->ReleaseProcess();
 }
 
 // static
+void RenderWidget::InstallCreateHook(
+    CreateRenderWidgetFunction create_render_widget) {
+  CHECK(!g_create_render_widget);
+  g_create_render_widget = create_render_widget;
+}
+
+// static
 RenderWidget* RenderWidget::Create(int32_t opener_id,
                                    CompositorDependencies* compositor_deps,
                                    blink::WebPopupType popup_type,
                                    const blink::WebScreenInfo& screen_info) {
   DCHECK(opener_id != MSG_ROUTING_NONE);
   scoped_refptr<RenderWidget> widget(new RenderWidget(
       compositor_deps, popup_type, screen_info, false, false, false));
   if (widget->Init(opener_id)) {  // adds reference on success.
     return widget.get();
   }
@@ skipping 11 matching lines @@
   // TODO(avi): Before RenderViewImpl has-a RenderWidget, the browser passes the
   // same routing ID for both the view routing ID and the main frame widget
   // routing ID. https://crbug.com/545684
   RenderViewImpl* view = RenderViewImpl::FromRoutingID(routing_id);
   if (view) {
     view->AttachWebFrameWidget(
         RenderWidget::CreateWebFrameWidget(view->GetWidget(), frame));
     return view->GetWidget();
   }
   scoped_refptr<RenderWidget> widget(
-      new RenderWidget(compositor_deps, blink::WebPopupTypeNone, screen_info,
-                       false, hidden, false));
+      g_create_render_widget
+          ? g_create_render_widget(compositor_deps, blink::WebPopupTypeNone,
+                                   screen_info, false, hidden, false)
+          : new RenderWidget(compositor_deps, blink::WebPopupTypeNone,
+                             screen_info, false, hidden, false));
   widget->SetRoutingID(routing_id);
   widget->for_oopif_ = true;
   // DoInit increments the reference count on |widget|, keeping it alive after
   // this function returns.
   if (widget->DoInit(MSG_ROUTING_NONE,
                      RenderWidget::CreateWebFrameWidget(widget.get(), frame),
                      nullptr)) {
     return widget.get();
   }
   return nullptr;
@@ skipping 1709 matching lines @@
 void RenderWidget::requestPointerUnlock() {
   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
 }
 
 bool RenderWidget::isPointerLocked() {
   return mouse_lock_dispatcher_->IsMouseLockedTo(
       webwidget_mouse_lock_target_.get());
 }
 
 }  // namespace content